
Expansion Tanks
90+ models — one of the most preferred manufacturers in Europe and Türkiye.
Products
In order to meet the needs of the HVAC industry, Önaysan started with an R&D team of about 10 people, whose objective was to reduce the costs in the industry by producing import substitute products.
Önaysan has taken steps to expand its product range in the heating and white goods industries. With its high quality products and services, it has gained a considerable share in both industries in a very short time.
Read MoreWe manufacture the components the heating and white goods industries need, at high capacity.

90+ models — one of the most preferred manufacturers in Europe and Türkiye.
Products
2 million units annual capacity — the sector leader in Türkiye.
Products
600,000 plate heat exchangers annual capacity for combi boilers.
Products
Vent-free drying fin-tube condenser & evaporator pair.
ProductsWe offer alternative metal types, membranes, threaded pipes, connection equipment and volume options based on customer needs.
Our products are made with glueing, clamping, welding and other automation systems, eliminating the human factor.
Our facilities serve with modular lines and fast tool and equipment change methods.
Components for the Heating and White Goods Industry
Explore ProductsCompany news and industry updates.

Isı pompalı çamaşır kurutma makineleri için alüminyum fin-tube kondenser ve evaporatör üretimimize başladık.
Read More
Genleşme tankları, plakalı eşanjörler ve kondenserlerimiz yaklaşık 50 marka altında 300'den fazla üründe kullanılıyor.
Read More
Eskişehir OSB'deki laboratuvarımızda aynı anda 24 kondenser ve 96 genleşme tankı test edilebiliyor.
Read MoreOur engineering team is ready to offer project-specific solutions.